| Most common failures | No# failures |
|---|
| Registration plate issues | 21 |
| Registration plate lamp issues | 15 |
| Stop lamp remains on when the brakes are released | 13 |
| Rear reflector missing (4.8.2 (a) (ii)) | 12 |
| Headlamp aim out of alignment | 9 |
| Rear reflector on motorcycle missing |1.4.1| | 7 |
| Rear reflector missing |4.8.2 |a| |ii|| | 3 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 2 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition |8.1.1 |a|| | 2 |
| Rear Brake excessively binding (1.2.1 (f)) | 2 |
| Front Exhaust has a major leak of exhaust gases Exhaust gasket blowing (6.1.2 (a)) | 1 |
| Front Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 1 |
| Central Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Riders seat insecure |6.2.5 |a| |ii|| | 1 |
| Pillion seat insecure |6.2.6 |a| |ii|| | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen |1.6.B.1| | 1 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Front Brake grabbing severely severe grabbing / waiver front brake (1.2.1 (c)) | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Drive belt excessively loose (6.1.7 (c) (i)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition (8.1.1 (a)) | 1 |
| Handlebar mounting insecure (2.2.1 (a) (i)) | 1 |
| Rear Stop lamp adversely affected by the operation of another lamp when indicators are in use (4.3.3 (b)) | 1 |
| Offside Front Upper Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Rear Drive belt worn to excess (6.1.7 (c) (i)) | 1 |
| Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Handlebar so insecure it is likely to become detached (2.2.1 (b) (ii)) | 1 |
| Offside Rear Shock absorber insecurely attached |5.3.2 |a| |i|| | 1 |